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Abstract:
This work is based on the strong ground motion recordings of 22 free-field stations within 100 km to the causative fault of the 2013 Lushan MS7.0 earthquake. We investigate the variations of near-fault ground motion with orientations, and its relationship to focal mechanism, fault distances and spatial locations. The results show that (1) the near-fault strong motion exhibits distinct variations with orientations, with clear maximum and minimum response directions. In various directions, the largest acceleration response can exceed 4.0 times the smallest. (2) The variation with orientation is obvious at long periods, while relatively small at short periods of T © 2018, Science Press. All right reserved.
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Acta Geophysica Sinica
ISSN: 0001-5733
Year: 2018
Issue: 4
Volume: 61
Page: 1266-1280
1 . 4 0 0
JCR@2022
ESI Discipline: GEOSCIENCES;
ESI HC Threshold:139
JCR Journal Grade:4
Cited Count:
SCOPUS Cited Count: 17
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
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